OpenAI

Leading AI research company

Models

Model Released Context Modalities
GPT-5.5 Instant May 5, 2026 — image, text
GPT-5.5 Apr 23, 2026 — image, text
GPT-5.5 Pro Apr 23, 2026 — image, text
GPT-5.4 mini Mar 17, 2026 — image, text
GPT-5.4 nano Mar 17, 2026 — image, text
GPT-5.4 Mar 5, 2026 — image, text
GPT-5.3 Chat Mar 4, 2026 — image, text
GPT-5.3 Codex Feb 5, 2026 — image, text
GPT-5.2 Codex Jan 14, 2026 — image, text
GPT-5.2 Dec 11, 2025 — image, text
GPT-5.2 Pro Dec 11, 2025 — image, text
GPT-5.1 Codex Nov 19, 2025 — image, text
GPT-5.1 Nov 13, 2025 — image, text
GPT-5.1 Codex High Nov 12, 2025 — image, text
GPT-5.1 Codex Mini Nov 12, 2025 — image, text
GPT-5.1 High Nov 12, 2025 — image, text
GPT-5.1 Instant Nov 12, 2025 — image, text
GPT-5.1 Medium Nov 12, 2025 — image, text
GPT-5.1 Thinking Nov 12, 2025 — image, text
GPT-5 Codex Sep 15, 2025 — text
GPT-5 Aug 7, 2025 — image, text
GPT-5 mini Aug 7, 2025 — image, text
GPT-5 nano Aug 7, 2025 — image, text
GPT-5 High Aug 7, 2025 — image, text
GPT-5 Medium Aug 7, 2025 — image, text
GPT OSS 120B Aug 5, 2025 — text
GPT OSS 20B Aug 5, 2025 — text
GPT OSS 120B High Aug 5, 2025 — text
GPT OSS 20B High Aug 5, 2025 — text
o3-pro Jun 10, 2025 200K text, image
o3 Apr 16, 2025 — image, text
o4-mini Apr 16, 2025 200K text, image
GPT-4.1 Apr 14, 2025 — image, text
GPT-4.1 mini Apr 14, 2025 — image, text
GPT-4.1 nano Apr 14, 2025 — image, text
GPT-4.5 Feb 27, 2025 — image, text
o3-mini Jan 30, 2025 — text
o1 Dec 17, 2024 — text
o1-pro Dec 17, 2024 — text, image
o1 Dec 5, 2024 200K text
o1-mini Sep 12, 2024 128K text
o1-preview Sep 12, 2024 128K text
GPT-4o Aug 6, 2024 — image, text
GPT-4o mini Jul 18, 2024 — image, text
GPT-4o May 13, 2024 128K text, image, audio
GPT-4o May 13, 2024 — image, text
ChatGPT-4o Latest May 13, 2024 — image, text
GPT-4 Turbo Apr 9, 2024 — text
GPT-4 Jun 13, 2023 — image, text
GPT-3.5 Turbo Mar 21, 2023 — text